There are reports of various plants that can thrive in shady gardens, with some outlets suggesting specific numbers of perennials, such as 25 or 20, that can brighten up dark areas. However, the exact number of plants and their types are not consistent across reports, with some outlets mentioning 15 or 24 perennials, and others highlighting specific plants like caladiums. Some outlets also provide broader gardening ideas, including flowers for window boxes and general shade garden corner ideas.